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Nature. 1993 Sep 16;365(6443):267-9.

A role for sialyl Lewis-X/A glycoconjugates in capillary morphogenesis.

Author information

1
Surgical Research Laboratory, Children's Hospital, Boston, Massachusetts 02115.

Erratum in

  • Nature 1993 Nov 25;366(6453):368.

Abstract

To identify cell adhesion molecules required for angiogenesis, we used an in vitro model in which bovine capillary endothelial cells can be induced to form capillary-like tubes. Monoclonal antibodies directed against the carbohydrate epitopes sialyl Lewis-X and sialyl Lewis-A inhibited capillary formation. We postulated that a member of the selectin family of adhesion molecules may be involved in capillary formation because these proteins bind to sialyl Lewis-X/A-containing ligands. We isolated a 2.8-kilobase complementary DNA from a bovine capillary endothelial cell cDNA library which encodes a polypeptide with 71% identity to human E-selectin. We report here that antibody directed against the bovine E-selectin inhibited capillary formation, suggesting that in addition to its role in leukocyte adhesion to endothelium, a form of E-selectin is involved in capillary morphogenesis.

PMID:
7690465
DOI:
10.1038/365267a0
[Indexed for MEDLINE]

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